Alert archive / Minnesota / Gale Warnings in 2021

Gale Warning 4, NWS Duluth, MN

April 18, 2021

NWS Duluth, MN issued this gale warning at Apr 18, 2021, 10:24 PM CDT. It was in force for 15 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Apr 18, 2021, 10:24 PM CDT (03:24 UTC)
Expired
Apr 19, 2021, 1:00 PM CDT
In force
15 hr
Issued by
NWS Duluth, MN

The text

As transmitted.

301 
WHUS73 KDLH 190324
MWWDLH

URGENT - MARINE WEATHER MESSAGE
National Weather Service Duluth MN
1024 PM CDT Sun Apr 18 2021

LSZ140-191530-
/O.UPG.KDLH.SC.Y.0022.000000T0000Z-210420T0000Z/
/O.NEW.KDLH.GL.W.0004.210419T0324Z-210419T1500Z/
/O.NEW.KDLH.SC.Y.0023.210419T1500Z-210420T0000Z/
Grand Portage to Grand Marais MN-
1024 PM CDT Sun Apr 18 2021

...GALE WARNING IN EFFECT UNTIL 10 AM CDT MONDAY...
...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM TO 7 PM CDT MONDAY...

* WHAT...For the Gale Warning, north winds 15 to 25 kt with gusts
  up to 40 kt and waves 1 to 3 ft. For the Small Craft Advisory, 
  north winds 10 to 20 kt with gusts up to 30 kt and waves 1 to 3 
  ft expected.

* WHERE...Grand Portage to Grand Marais MN.

* WHEN...For the Gale Warning, until 10 AM CDT Monday. For the 
  Small Craft Advisory, from 10 AM to 7 PM CDT Monday.

* IMPACTS...Strong winds will cause hazardous waves which could
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.

&&

$$

LSZ143>145-191500-
/O.CON.KDLH.SC.Y.0022.000000T0000Z-210419T1500Z/
Silver Bay Harbor to Two Harbors MN-Two Harbors to Duluth MN-
Duluth MN to Port Wing WI-
1024 PM CDT Sun Apr 18 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM CDT
MONDAY...

* WHAT...Northwest winds around 15 kt with gusts up to 30 kt.

* WHERE...Two Harbors to Duluth MN, Duluth MN to Port Wing WI 
  and Silver Bay Harbor to Two Harbors MN.

* WHEN...Until 10 AM CDT Monday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Anyone operating a smaller vessel should avoid navigating in
hazardous conditions.

&&

$$

LSZ141-142-191530-
/O.CON.KDLH.SC.Y.0022.000000T0000Z-210420T0000Z/
Grand Marais to Taconite Harbor MN-
Taconite Harbor to Silver Bay Harbor MN-
1024 PM CDT Sun Apr 18 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT MONDAY...

* WHAT...North winds 10 to 20 kt with gusts up to 30 kt.

* WHERE...Taconite Harbor to Silver Bay Harbor MN and Grand 
  Marais to Taconite Harbor MN.

* WHEN...Until 7 PM CDT Monday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Anyone operating a smaller vessel should avoid navigating in
hazardous conditions.

&&

$$

LSZ121-146>148-150-191530-
/O.CON.KDLH.SC.Y.0022.000000T0000Z-210419T1800Z/
Chequamegon Bay-Bayfield to Oak Point WI-
Port Wing to Sand Island WI-Sand Island to Bayfield WI-
Oak Point to Saxon Harbor WI-
Outer Apostle Islands Beyond 5 NM from Mainland-
1024 PM CDT Sun Apr 18 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 PM CDT MONDAY...

* WHAT...Northwest winds 15 to 25 kt with gusts up to 30 kt and 
  waves 3 to 6 ft.

* WHERE...Port Wing to Sand Island WI, Sand Island to Bayfield 
  WI, Oak Point to Saxon Harbor WI, Chequamegon Bay-Bayfield to 
  Oak Point WI and Outer Apostle Islands Beyond 5 NM from 
  Mainland.

* WHEN...Until 1 PM CDT Monday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Anyone operating a smaller vessel should avoid navigating in
hazardous conditions.

&&

$$
3 follow-up statements
107 
WHUS73 KDLH 190900
MWWDLH

URGENT - MARINE WEATHER MESSAGE
National Weather Service Duluth MN
400 AM CDT Mon Apr 19 2021

LSZ140-192100-
/O.CON.KDLH.GL.W.0004.000000T0000Z-210419T1500Z/
/O.CON.KDLH.SC.Y.0023.210419T1500Z-210420T0000Z/
Grand Portage to Grand Marais MN-
400 AM CDT Mon Apr 19 2021

...GALE WARNING REMAINS IN EFFECT UNTIL 10 AM CDT THIS MORNING...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT FROM 10 AM THIS MORNING
TO 7 PM CDT THIS EVENING...

* WHAT...For the Gale Warning, north winds 15 to 25 kt with 
  gusts up to 40 kt and waves 1 to 3 ft. For the Small Craft 
  Advisory, north winds 10 to 20 kt with gusts up to 30 kt and 
  waves 1 to 3 ft expected.

* WHERE...Grand Portage to Grand Marais MN.

* WHEN...For the Gale Warning, until 10 AM CDT Monday. For the 
  Small Craft Advisory, from 10 AM to 7 PM CDT Monday.

* IMPACTS...Strong winds will cause hazardous waves which could 
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.

&&

$$

LSZ143>145-191500-
/O.CON.KDLH.SC.Y.0022.000000T0000Z-210419T1500Z/
Silver Bay Harbor to Two Harbors MN-Two Harbors to Duluth MN-
Duluth MN to Port Wing WI-
400 AM CDT Mon Apr 19 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 10 AM CDT THIS
MORNING...

* WHAT...Northwest winds around 15 kt with gusts up to 30 kt.

* WHERE...Two Harbors to Duluth MN, Duluth MN to Port Wing WI 
  and Silver Bay Harbor to Two Harbors MN.

* WHEN...Until 10 AM CDT Monday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Anyone operating a smaller vessel should avoid navigating in
hazardous conditions.

&&

$$

LSZ141-142-192100-
/O.CON.KDLH.SC.Y.0022.000000T0000Z-210420T0000Z/
Grand Marais to Taconite Harbor MN-
Taconite Harbor to Silver Bay Harbor MN-
400 AM CDT Mon Apr 19 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS
EVENING...

* WHAT...North winds 10 to 20 kt with gusts up to 30 kt.

* WHERE...Taconite Harbor to Silver Bay Harbor MN and Grand 
  Marais to Taconite Harbor MN.

* WHEN...Until 7 PM CDT Monday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Anyone operating a smaller vessel should avoid navigating in
hazardous conditions.

&&

$$

LSZ121-146>148-150-191800-
/O.CON.KDLH.SC.Y.0022.000000T0000Z-210419T1800Z/
Chequamegon Bay-Bayfield to Oak Point WI-
Port Wing to Sand Island WI-Sand Island to Bayfield WI-
Oak Point to Saxon Harbor WI-
Outer Apostle Islands Beyond 5 NM from Mainland-
400 AM CDT Mon Apr 19 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 PM CDT THIS
AFTERNOON...

* WHAT...Northwest winds 15 to 25 kt with gusts up to 30 kt and 
  waves 3 to 6 ft.

* WHERE...Port Wing to Sand Island WI, Sand Island to Bayfield 
  WI, Oak Point to Saxon Harbor WI, Chequamegon Bay-Bayfield to 
  Oak Point WI and Outer Apostle Islands Beyond 5 NM from 
  Mainland.

* WHEN...Until 1 PM CDT Monday.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Anyone operating a smaller vessel should avoid navigating in
hazardous conditions.

&&

$$
361 
WHUS73 KDLH 191424
MWWDLH

URGENT - MARINE WEATHER MESSAGE
National Weather Service Duluth MN
924 AM CDT Mon Apr 19 2021

LSZ141-142-200000-
/O.UPG.KDLH.SC.Y.0022.000000T0000Z-210420T0000Z/
/O.EXB.KDLH.GL.W.0004.000000T0000Z-210419T1800Z/
/O.EXB.KDLH.SC.Y.0023.210419T1800Z-210420T0000Z/
Grand Marais to Taconite Harbor MN-
Taconite Harbor to Silver Bay Harbor MN-
924 AM CDT Mon Apr 19 2021

...GALE WARNING IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON...
...SMALL CRAFT ADVISORY IN EFFECT FROM 1 PM THIS AFTERNOON TO
7 PM CDT THIS EVENING...

* WHAT...For the Gale Warning, north winds 20 to 30 kt with gust
  to 35 kt. For the Small Craft Advisory, northwest wind 15 to 20
  kt with gusts to 30 kt. Waves 1 to 3 feet. 

* WHERE...Grand Marais to Taconite Harbor MN and Taconite Harbor 
  to Silver Bay Harbor MN.

* WHEN...For the Gale Warning, until 1 PM CDT this afternoon. 
  For the Small Craft Advisory, from 1 PM this afternoon to 7 PM 
  CDT this evening.

* IMPACTS...Strong winds will cause hazardous waves which could 
  capsize or damage vessels and reduce visibility.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.

&&

$$

LSZ140-200000-
/O.EXT.KDLH.GL.W.0004.000000T0000Z-210419T1800Z/
/O.EXT.KDLH.SC.Y.0023.210419T1800Z-210420T0000Z/
Grand Portage to Grand Marais MN-
924 AM CDT Mon Apr 19 2021

...GALE WARNING NOW IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON...
...SMALL CRAFT ADVISORY NOW IN EFFECT FROM 1 PM THIS AFTERNOON TO
7 PM CDT THIS EVENING...

* WHAT...For the Gale Warning, north winds 20 to 25 kt with gusts
  up to 40 kt and waves 1 to 3 ft. For the Small Craft Advisory,
  north winds 15 to 20 kt with gusts up to 30 kt expected.

* WHERE...Grand Portage to Grand Marais MN.

* WHEN...For the Gale Warning, until 1 PM CDT this afternoon. 
  For the Small Craft Advisory, from 1 PM this afternoon to 7 PM 
  CDT this evening.

* IMPACTS...Strong winds will cause hazardous waves which could 
  capsize or damage vessels and reduce visibility.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.

&&

$$

LSZ143>145-191800-
/O.EXT.KDLH.SC.Y.0022.000000T0000Z-210419T1800Z/
Silver Bay Harbor to Two Harbors MN-Two Harbors to Duluth MN-
Duluth MN to Port Wing WI-
924 AM CDT Mon Apr 19 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 1 PM CDT THIS
AFTERNOON...

* WHAT...Northwest winds 15 to 20 kt with gusts to 30 kt. Waves 1
  to 3 feet. 

* WHERE...Two Harbors to Duluth MN, Duluth MN to Port Wing WI 
  and Silver Bay Harbor to Two Harbors MN.

* WHEN...Until 1 PM CDT this afternoon.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Anyone operating a smaller vessel should avoid navigating in
hazardous conditions.

&&

$$

LSZ121-146>148-150-191800-
/O.CON.KDLH.SC.Y.0022.000000T0000Z-210419T1800Z/
Chequamegon Bay-Bayfield to Oak Point WI-
Port Wing to Sand Island WI-Sand Island to Bayfield WI-
Oak Point to Saxon Harbor WI-
Outer Apostle Islands Beyond 5 NM from Mainland-
924 AM CDT Mon Apr 19 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 PM CDT THIS
AFTERNOON...

* WHAT...Northwest winds 15 to 25 kt and waves 2 to 5 ft.

* WHERE...Port Wing to Sand Island WI, Sand Island to Bayfield 
  WI, Oak Point to Saxon Harbor WI, Chequamegon Bay-Bayfield to 
  Oak Point WI and Outer Apostle Islands Beyond 5 NM from 
  Mainland.

* WHEN...Until 1 PM CDT this afternoon.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Anyone operating a smaller vessel should avoid navigating in
hazardous conditions.

&&

$$

PA
697 
WHUS73 KDLH 191751
MWWDLH

URGENT - MARINE WEATHER MESSAGE
National Weather Service Duluth MN
1251 PM CDT Mon Apr 19 2021

LSZ141-142-200000-
/O.EXP.KDLH.GL.W.0004.000000T0000Z-210419T1800Z/
/O.CON.KDLH.SC.Y.0023.210419T1800Z-210420T0000Z/
Grand Marais to Taconite Harbor MN-
Taconite Harbor to Silver Bay Harbor MN-
1251 PM CDT Mon Apr 19 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS
EVENING...
...GALE WARNING WILL EXPIRE AT 1 PM CDT THIS AFTERNOON...

* WHAT...Northwest winds 15 to 25 kt and waves 1 to 3 ft 
  expected.

* WHERE...Taconite Harbor to Silver Bay Harbor MN and Grand 
  Marais to Taconite Harbor MN.

* WHEN...Until 7 PM CDT this evening.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Anyone operating a smaller vessel should avoid navigating in
hazardous conditions.

&&

$$

LSZ140-200000-
/O.EXP.KDLH.GL.W.0004.000000T0000Z-210419T1800Z/
/O.CON.KDLH.SC.Y.0023.210419T1800Z-210420T0000Z/
Grand Portage to Grand Marais MN-
1251 PM CDT Mon Apr 19 2021

...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS
EVENING...
...GALE WARNING WILL EXPIRE AT 1 PM CDT THIS AFTERNOON...

* WHAT...North winds 15 to 20 kt with gusts up to 25 kt and waves
  1 to 3 ft expected.

* WHERE...Grand Portage to Grand Marais MN.

* WHEN...Until 7 PM CDT this evening.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Anyone operating a smaller vessel should avoid navigating in
hazardous conditions.

&&

$$

LSZ121-191900-
/O.CAN.KDLH.SC.Y.0022.000000T0000Z-210419T1800Z/
Chequamegon Bay-Bayfield to Oak Point WI-
1251 PM CDT Mon Apr 19 2021

...SMALL CRAFT ADVISORY IS CANCELLED...

Northwest winds with gusts to around 20 kts are expected the rest
of the afternoon. 

$$

LSZ143>145-191900-
/O.EXP.KDLH.SC.Y.0022.000000T0000Z-210419T1800Z/
Silver Bay Harbor to Two Harbors MN-Two Harbors to Duluth MN-
Duluth MN to Port Wing WI-
1251 PM CDT Mon Apr 19 2021

...SMALL CRAFT ADVISORY WILL EXPIRE AT 1 PM CDT THIS AFTERNOON...

Northwest winds with gusts to around 20 kts are expected the rest
of the afternoon. 

$$

LSZ146>148-150-200000-
/O.EXT.KDLH.SC.Y.0022.000000T0000Z-210420T0000Z/
Port Wing to Sand Island WI-Sand Island to Bayfield WI-
Oak Point to Saxon Harbor WI-
Outer Apostle Islands Beyond 5 NM from Mainland-
1251 PM CDT Mon Apr 19 2021

...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 7 PM CDT THIS
EVENING...

* WHAT...Northwest winds 15 to 20 kt and waves 1 to 3 ft, higher 
  for the Outer Apostle Islands with waves of 3 to 6 feet. 

* WHERE...Port Wing to Sand Island WI, Sand Island to Bayfield 
  WI, Oak Point to Saxon Harbor WI and Outer Apostle Islands 
  Beyond 5 NM from Mainland.

* WHEN...Until 7 PM CDT this evening.

* IMPACTS...Conditions will be hazardous to small craft.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Anyone operating a smaller vessel should avoid navigating in
hazardous conditions.

&&

$$

PA

The office that day

Everything else NWS Duluth, MN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 18, 10:24 PM CDTSmall Craft AdvisoryDLH21 hr
Apr 19, 10:22 AM CDTWind AdvisoryDLHCook3 hr

Nearby

Gale Warnings in Minnesota, 2021Every gale warning in 2021

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.